> On Mar 16, 2015, at 3:43 PM, John Fox <j...@mcmaster.ca> wrote: > > Dear all, > > I've now implemented Simon's solution, setting the path in the .onLoad() > function of the Rcmdr package and resetting it to its pre-existing value in > .onUnload(). This seems to work fine for me and, I hope, will be a more > robust solution. >
I don't think messing with PATH of the R process is a good idea - as a user I'd be somewhat unpleasantly surprised if you changed the PATH of my running session. I'm not quite sure what's your intention, but I would suggest using the setting to locate the binary to run it explicitly - that is what R does normally. If you rely on some scripts that you don't control, then I would suggest setting it in the shell that you start the script with, but not in the R process itself. Cheers, Simon > Thanks again to everyone for their help. > > John > >> -----Original Message----- >> From: R-SIG-Mac [mailto:r-sig-mac-boun...@r-project.org] On Behalf Of >> John Fox >> Sent: March-16-15 2:45 PM >> To: 'Berend Hasselman' >> Cc: r-sig-mac@r-project.org >> Subject: Re: [R-SIG-Mac] checking for pdflatex >> >> Dear Berend and Simon, >> >> I've now tried Berend's solution and it appears to work fine: If necessary, I >> add /usr/texbin to the path when the Rcmdr GUI starts up and restore the >> path to its previous state when it closes. >> >> I agree that Simon's solution will be more flexible since it should work if >> pdflatex is located elsewhere (as long as it's on the path reported by >> path_helper), and I'll give that a try as well. >> >> Thanks again for all the help, >> John >> >>> -----Original Message----- >>> From: Berend Hasselman [mailto:b...@xs4all.nl] >>> Sent: March-16-15 2:34 PM >>> To: j...@mcmaster.ca >>> Cc: Simon Urbanek; r-sig-mac@r-project.org >>> Subject: Re: [R-SIG-Mac] checking for pdflatex >>> >>> John, >>> >>>> On 16-03-2015, at 18:53, John Fox <j...@mcmaster.ca> wrote: >>>> >>>> Dear Berend, >>>> …. >>>>> >>>>> For what it’s worth: I have the following code in the .First >>>>> function in >>>>> ~/.Rprofile: >>>>> (R 3.1.3 on OS X Yosemite) >>>>> >>>>> if( .Platform$GUI == "AQUA" ) { >>>>> # this appends /usr/local/bin to what is already in PATH >>>>> # by default this is already in PATH (at least in 10.6.8) >>>>> # so remove any duplicated items >>>>> z <- Sys.getenv("PATH") >>>>> z <- unlist(strsplit(z,.Platform$path.sep,fixed=TRUE)) >>>>> # add path to MacTeX executables for OS X Yosemite (which >>>>> has a >>> bug) >>>>> # in Terminal it is added automatically >>>>> z[length(z)+1] <- "/usr/texbin" >>>>> >>> Sys.setenv(PATH=paste(z[!duplicated(z)],collapse=.Platform$path.sep)) >>>>> } >>>> >>>> This should work fine if pdflatex is in /usr/texbin, which I now >>>> understand is >>> by far the most common case (and is the case on my Mac). >>>> >>>> Do you mind if I adapt your code for the Rcmdr? I can fix the path >>>> in this >>> manner at startup of the Rcmdr GUI and restore it to its initial value >>> on exit from the GUI. >>>> >>> >>> Go right ahead. Don’t forget it assumes MacTeX. >>> >>> But do also have a look Simon’s suggestion of using path_helper, which >>> seems more flexible than my solution: >>> >>> I tried this in R-GUI >>> >>> system2("/usr/libexec/path_helper","-s", stdout=TRUE) >>> >>> and got this answer >>> >>> [1] >>> "PATH=\"/usr/local/bin:/usr/bin:/bin:/usr/sbin:/sbin:/opt/X11/bin:/usr >>> /texbi >>> n\"; export PATH;” >>> >>> which will have to be fiddled with to get something that is usable. >>> >>> Berend >>> >>> >>>> Thanks for this, >>>> John >>>> >>>>> >>>>> Berend >>>> >>>> >>>> --- >>>> This email has been checked for viruses by Avast antivirus software. >>>> http://www.avast.com >>>> >> >> >> --- >> This email has been checked for viruses by Avast antivirus software. >> >> _______________________________________________ >> R-SIG-Mac mailing list >> R-SIG-Mac@r-project.org >> https://stat.ethz.ch/mailman/listinfo/r-sig-mac > > > --- > This email has been checked for viruses by Avast antivirus software. > http://www.avast.com > _______________________________________________ R-SIG-Mac mailing list R-SIG-Mac@r-project.org https://stat.ethz.ch/mailman/listinfo/r-sig-mac
